使用组播技术的音频会议

H.225 video-telephone protocol,specification document,for reference only

this document illstrate HOW TO build a android develop envirounment.The android is a goole leading open smartphone Project

ffmpeg-0.4.6.tar.gz

版本V4.1.1,Linux上的开放源代码的IP电话软件SIP协议，主要用于语音通话，但它也支持发送文本的即时消息，即可以像ICQ那样地用文字聊天。 如果网络带宽足够的话，它还支持可视电话 Kphone是GPL的开放源代码的软件。-version 4.1.1, It is IP phone software of Linux open source code based on SIP protocol, it can be used to voice communication, and surpport text IM, same function as ICQ used to text chat. In broad band circumstance, it surpport video conference. Kphone is GPL open source software .

无线信道模拟软件-Channel simulation software

RTC下接收呼叫的例子（如果是VC用户，请新建一个APPLICATION 32空工程，然后，用ADD FILE的方法把所有的文件包含在工程中编译）-RTC receive calls example (If yes VC users, a new air APPLICATION 32 works, and then use the ADD FILE all the documents included in the project compiler)

H323到PSTN的网关 -Gateway from H323 to PSTN

一个很好的SIP协议栈,用标准C实现.大家学习吧.-A very good SIP protocol stack, using standard C realize. Everyone to learn it.

SIP协议栈开发（minsip）